FZUS53 KGRB 211457

NSHGRB



Nearshore Marine Forecast

National Weather Service Green Bay WI

957 AM CDT Sat Mar 21 2026



For waters within five nautical miles of shore on Lake Michigan



LMZ521-522-212200-

Green Bay south of line from Cedar River to Rock Island Passage

and north of a line from Oconto WI to Little Sturgeon Bay WI-

Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-

957 AM CDT Sat Mar 21 2026



.THIS AFTERNOON...SE wind 10 to 15 kts veering S 5 to 10 kts

early in the afternoon. Waves 2 ft or less. A chance of sprinkles

early in the morning. 

.TONIGHT...NE wind 5 to 10 kts backing N 10 to 15 kts in the late

evening and overnight. Waves 2 ft or less. Patchy dense fog in

the evening. a chance of light rain after midnight. 

.SUNDAY...N wind 10 to 20 kts. Waves 2 ft or less. Mostly cloudy.

.SUNDAY NIGHT...N wind 10 to 15 kts. Waves 2 ft or less. Partly

cloudy.  



$$



LMZ541-212200-

Rock Island Passage to Sturgeon Bay WI-

957 AM CDT Sat Mar 21 2026



.THIS AFTERNOON...SE wind 10 to 15 kts. Waves 1 to 3 ft building

to 3 to 5 ft in the afternoon. A chance of sprinkles early in the

morning. 

.TONIGHT...S wind 5 to 10 kts veering N 10 to 15 kts in the late

evening and overnight. Waves 3 to 5 ft subsiding to 2 to 4 ft

after midnight. A chance of light rain after midnight. A Small

Craft Advisory may be needed. 

.SUNDAY...N wind 15 to 25 kts. Waves 2 to 4 ft. Mostly cloudy. 

.SUNDAY NIGHT...N wind 10 to 20 kts decreasing to 5 to 10 kts

after midnight. Waves 2 to 4 ft subsiding to 2 ft or less after

midnight. Partly cloudy.  



$$



LMZ542-543-212200-

Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-

957 AM CDT Sat Mar 21 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO

7 PM CDT THIS EVENING...

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH

LATE SUNDAY NIGHT...



.THIS AFTERNOON...SE wind 10 to 20 kts veering S early in the

afternoon. Waves 1 to 3 ft building to 3 to 5 ft in the

afternoon. Partly sunny. 

.TONIGHT...W wind 10 to 15 kts veering N in the late evening and

overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight.

A chance of light rain after midnight. A Small Craft Advisory may

be needed. 

.SUNDAY...N wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy. 

.SUNDAY NIGHT...N wind 15 to 25 kts decreasing to 10 to 15 kts

after midnight. Waves 4 to 7 ft subsiding to 2 to 4 ft after

midnight. Partly cloudy.  



$$



See Lake Michigan Open Lake Forecast for Monday through Wednesday.



Wave height forecast is for ice free areas.